Upgrade to Chess Assistant 15 from CA 13 or older works any version of Chess Assistant released before Chess Assistant 14.

Chess Assistant 15 with Houdini 4 is a unique tool for managing chess games and databases, playing chess through the Internet, analyzing games, or playing chess against the computer.

This package upgrades your Chess Assistant 14 Starter or Professional package to Chess Assistant 15, retaining your Houdini 4 (or PRO) engine and updating the interface, game database (6.2 million games as of Nov. 1, 2014) that can be automatically updated with 3000 new games, access to 7-piece Lomonosov Tablebases and more!

Houdini 4 can perform various types of analysis for any needs: multi-pass game analysis, Interactive analysis, Background analysis.

Chess Opening Encyclopedia includes rich theoretical material on all the openings, more than 8000 annotations by GM Kalinin and 40 million of evaluations by strongest engines to key opening positions. The key system for any opening can be customized.

You also receive free access to 7-piece Lomonosov endgame tablebases at tb7.chessok.com until 31.12.2015.

Premium Game Service will keep you game database automatically updated with more than 10 000 new games each month!